How to Kill Wasps With WD40

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A wasp sting hurts and, for those with allergies, can be very dangerous.

Wasps are predators that are very territorial, returning to the same nesting location year after year. The best way to keep wasps away is to prevent them from returning to build a new nest. If they return successfully, exterminating them before they multiply is your next best defense. While many commercial products exist to exterminate wasps, a product commonly found in most garages or homes will also do the trick. WD-40 helps to effectively kill and prevent wasps from nesting around your home.

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Things You'll Need

Step 1

Prevent wasps from returning to old nesting locations. Remove any remnants of the old wasp nest by knocking it down with a broom. Discard the old wasp nest in a sealed bag.

Step 2

Spray the location of previous wasp nests using WD-40. Apply the WD-40 liberally underneath gutters, eaves and anywhere else wasps have been spotted and are likely to build nests.

Step 3

Saturate active wasp nests with WD-40. Do so in the evening when temperatures are cooler, as wasps do not move as quickly in cooler temperatures. Err on the side of caution and really soak the nest.

Step 4

Wait an hour to ensure all wasps have been killed. Knock the nest down with a broom or other long-handled tool and place it in a plastic zip bag. Wear rubber gloves to protect your skin in the event that one or two wasps are still alive.

Tip

Exterminate wasps and get rid of nests in June, before the queen has time to build a new colony.

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Pauline is Hunker’s Associate Commerce Editor. She covers all things home and shopping, whether it's the next must-have product launch or a roundup of the best home and decor sales. You can reach out to her at pauline.lacsamana@hunker.com.